function fileLocator($file = null, $maxDepth = 10, $currentDir = ".")
{
if (empty($file)) {
return false;
} elseif (file_exists($currentDir . "/{$file}")) {
return $currentDir;
} elseif (--$maxDepth) {
return fileLocator($file, $maxDepth, $currentDir . "/..");
} else {
return false;
}
}
/**
* Constructor that initializes the requirements.
*/
public function __construct()
{
/* mandatory requirements follow */
$installedPhpVersion = phpversion();
$projectBaseDir = fileLocator('composer.json');
$this->addRequirement(version_compare($installedPhpVersion, self::REQUIRED_PHP_VERSION, '>='), sprintf('PHP version must be at least %s (%s installed)', self::REQUIRED_PHP_VERSION, $installedPhpVersion), sprintf('You are running PHP version "<strong>%s</strong>", but CIX needs at least PHP "<strong>%s</strong>" to run.
Before using CIX Distribution, upgrade your PHP installation, preferably to the latest version.', $installedPhpVersion, self::REQUIRED_PHP_VERSION), sprintf('Install PHP %s or newer (installed version is %s)', self::REQUIRED_PHP_VERSION, $installedPhpVersion));
if (!$projectBaseDir) {
$this->addRequirement(!empty($projectBaseDir), 'Composer Configuration file not found!', 'Invalid project directory! composer.json file may be deleted or not found. Please download the CIX distribution again!');
return;
}
$json_exists = function_exists('json_encode');
$this->addRequirement($json_exists, 'json_encode() must be available', '<strong>JSON</strong> extension must be available, even to run this checking script, Install and enable the <strong>JSON</strong> extension.');
if (!$json_exists) {
return;
}
$json = json_decode(file_get_contents($projectBaseDir . "/composer.json"));
$composerInstalled = is_dir($projectBaseDir . '/vendor/composer');
$this->addRequirement($composerInstalled, 'Vendor libraries must be installed', 'Vendor libraries are missing. Install composer following instructions from <a href="http://getcomposer.org/">http://getcomposer.org/</a>. ' . '<br>Then run "<strong>php composer.phar install</strong>" to install them.');
$applicationDir = $projectBaseDir . "/" . $json->extra->{"ci-app-dir"};
if ($composerInstalled) {
$this->addRequirement(is_dir($applicationDir), 'Application must be installed', 'Application is missing.' . '<br> Run "<strong>php composer.phar install</strong>" to install application.');
}
$baseDir = $json->extra->{"ci-app-dir"};
if (is_dir($applicationDir)) {
$this->addDirectoryRequirement($baseDir, $applicationDir, '/cache');
$this->addDirectoryRequirement($baseDir, $applicationDir, '/logs');
}
$webRoot = $json->extra->{"ci-web-dir"};
$webPath = $projectBaseDir . "/" . $webRoot;
$this->addDirectoryRequirement($webRoot, $webPath, '/uploads');
$this->addDirectoryRequirement($webRoot, $webPath, '/assets/css/cache');
$this->addDirectoryRequirement($webRoot, $webPath, '/assets/js/cache');
$this->addPhpIniRequirement('date.timezone', true, false, 'date.timezone setting must be set', 'Set the "<strong>date.timezone</strong>" setting in php.ini<a href="#phpini">*</a> (like Ashia/Dhaka).');
if (version_compare($installedPhpVersion, self::REQUIRED_PHP_VERSION, '>=')) {
$timezones = array();
foreach (DateTimeZone::listAbbreviations() as $abbreviations) {
foreach ($abbreviations as $abbreviation) {
$timezones[$abbreviation['timezone_id']] = true;
}
}
$this->addRequirement(isset($timezones[date_default_timezone_get()]), sprintf('Configured default timezone "%s" must be supported by your installation of PHP', date_default_timezone_get()), 'Your default timezone is not supported by PHP. Check for typos in your <strong>php.ini</strong> file and have a look at the list of deprecated timezones at <a href="http://php.net/manual/en/timezones.others.php">http://php.net/manual/en/timezones.others.php</a>.');
}
$this->addRequirement(function_exists('session_start'), 'session_start() must be available', 'Install and enable the <strong>session</strong> extension.');
if (function_exists('apc_store') && ini_get('apc.enabled')) {
if (version_compare($installedPhpVersion, '5.4.0', '>=')) {
$this->addRequirement(version_compare(phpversion('apc'), '3.1.13', '>='), 'APC version must be at least 3.1.13 when using PHP 5.4', 'Upgrade your <strong>APC</strong> extension (3.1.13+).');
} else {
$this->addRequirement(version_compare(phpversion('apc'), '3.0.17', '>='), 'APC version must be at least 3.0.17', 'Upgrade your <strong>APC</strong> extension (3.0.17+).');
}
}
$this->addPhpIniRequirement('detect_unicode', false);
if (extension_loaded('suhosin')) {
$this->addPhpIniRequirement('suhosin.executor.include.whitelist', create_function('$cfgValue', 'return false !== stripos($cfgValue, "phar");'), false, 'suhosin.executor.include.whitelist must be configured correctly in php.ini', 'Add "<strong>phar</strong>" to <strong>suhosin.executor.include.whitelist</strong> in php.ini<a href="#phpini">*</a>.');
}
/* optional recommendations follow */
$this->addRecommendation(version_compare($installedPhpVersion, '5.3.4', '>='), 'You should use at least PHP 5.3.4 due to PHP bug #52083 in earlier versions', 'Your project might malfunction randomly due to PHP bug #52083 ("Notice: Trying to get property of non-object"). Install PHP 5.3.4 or newer.');
$this->addRecommendation(function_exists('mb_strlen'), 'mb_strlen() should be available', 'Install and enable the <strong>mbstring</strong> extension.');
$this->addRecommendation(function_exists('iconv'), 'iconv() should be available', 'Install and enable the <strong>iconv</strong> extension.');
$this->addRecommendation(function_exists('utf8_decode'), 'utf8_decode() should be available', 'Install and enable the <strong>XML</strong> extension.');
if (!defined('PHP_WINDOWS_VERSION_BUILD')) {
$this->addRecommendation(function_exists('posix_isatty'), 'posix_isatty() should be available', 'Install and enable the <strong>php_posix</strong> extension (used to colorize the CLI output).');
}
$this->addPhpIniRecommendation('short_open_tag', false);
$this->addPhpIniRecommendation('magic_quotes_gpc', false, true);
$this->addPhpIniRecommendation('register_globals', false, true);
$this->addPhpIniRecommendation('session.auto_start', false);
}